Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882934 | Ultrasonic instrument to measure the gas velocity and/or the solids loading in a flowing gas stream | Charles B. Leffert | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882934 | Ultrasonic instrument to measure the gas velocity and/or the solids loading in a flowing gas stream | Charles B. Leffert | 1989-11-28 |